body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
}

header {
    text-align: center;
    padding: 20px 0;
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
}

h1 {
    color: #2c3e50;
}

section {
    margin: 30px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 5px;
}

a {
    color: #3498db;
    text-decoration: none;
}